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Lighting System: Specifications Chevrolet Silverado Classic 2500 HD

Exterior Lights 55 illustrations ~181 words

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Cargo/Stop Lamp Mounting Screws2 N.m18 lb in
Center High-Mounted Stop Lamp Mounting Screws2 N.m18 lb in
Exterior Courtesy Lamp Screws2 N.m18 lb in
Fog Lamp Bracket Bolt25 N.m18 lb ft
Mounting Bracket Screws15 N.m11 lb ft
Tail/Turn Signal Lamp Assembly Screws2 N.m18 lb in

Fastener Tightening Specifications

Scheme 1

Scheme 1: Headlights/Daytime Running Lights (DRL) Schematics
Scheme 1: Headlights/Daytime Running Lights (DRL) Schematics

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Scheme 3

Scheme 4

Scheme 4: Fog Lights Schematics
Scheme 4: Fog Lights Schematics

Scheme 5

Scheme 5: Exterior Lights Schematics
Scheme 5: Exterior Lights Schematics

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Scheme 23

Scheme 23: Interior Lights Schematics
Scheme 23: Interior Lights Schematics

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Scheme 27

Scheme 27: Interior Lights Dimming Schematics
Scheme 27: Interior Lights Dimming Schematics

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Scheme 32

Scheme 32: Lighting Systems Component Views
Scheme 32: Lighting Systems Component Views
CalloutComponent Name
1Headlamp - High Beam - Right
2Daytime Running Lamp (DRL) - Right
3Exterior Illumination Lamp
4Headlamp - High Beam - Left
5Headlamp - Low Beam - Left
6Marker Lamp - Left Front
7Park/Turn Signal Lamp - Left Front
8Daytime Running Lamp (DRL) - Left
9Fog Lamp - Left Front
10Fog Lamp - Right Front
11Marker Lamp - Right Front
12Park/Turn Signal Lamp - Right Front
13Headlamp - Low Beam - Right

Scheme 33

Scheme 33
Scheme 33
CalloutComponent Name
1Roof Marker Lamp and Harness - Right
2Roof Marker Lamp and Harness - Left
3Clearance Lamps and Harness

Scheme 34

Scheme 34
Scheme 34
CalloutComponent Name
1Brake/Clutch Harness
2Fuse Block - Underhood
3Emergency Vehicle Roof Lamp Relay
4C160
5C119
6C161
7Chassis Harness

Scheme 35

Scheme 35
Scheme 35
CalloutComponent Name
1Frame
2Junction Block-Rear Lamps
3Junction Block Mounting Bracket

Scheme 36

Scheme 36
Scheme 36
CalloutComponent Name
1Instrument Panel Bracket
2Ambient Light Sensor Harness (CJ3) or Ambient Light/Sunload Sensor Harness (CJ2)
3Ambient Light Sensor Connector (CJ3) or Ambient Light/Sunload Sensor Assembly Connector (CJ2)
4Ambient Light Sensor (CJ3) or Ambient Light/Sunload Sensor Assembly(CJ2)
5Instrument Panel

Scheme 37

Scheme 37
Scheme 37
CalloutComponent Name
1Hazard Button
2Multifunction Lever
3Cruise Control Switches
4Tilt Steering Actuator
5Inflatable Restraint Harness
6C201 Inline Connector

Scheme 38

Scheme 38
Scheme 38
CalloutComponent Name
1Vacuum Booster
2Brake Pedal
3Stop Lamp Switch
4Accelerator Pedal
5Stop Lamp Switch Retainer
6Dash Panel

Scheme 39

Scheme 39
Scheme 39
CalloutComponent Name
1Vanity Mirror Lamp - Left Connector
2Left Sunshade
3Right Sunshade
4Vanity Mirror Lamp - Right Connector
5Vanity Mirror Lamp - Right
6Inside Rearview Mirror
7Vanity Mirror Lamp - Left

Scheme 40

Scheme 40
Scheme 40
CalloutComponent Name
1Cellular Microphone
2Courtesy/Reading Lamps - Front
3C355
4Cellular Microphone Connector
5Overhead Console

Scheme 41

Scheme 41
Scheme 41
CalloutComponent Name
1Automatic Transfer Case (ATC) Electrical Connector
2Automatic Transfer Case (ATC) Electrical Connector
3Automatic Transfer Case (ATC) Select Switch
4Cargo/Fog Lamp Switch
5Headlamp and Panel Dimmer Switch
6Instrument Panel
7Headlamp and Panel Dimmer Switch Electrical Connector
8Cargo/Fog Lamp Switch Electrical Connector

Scheme 42

Scheme 42
Scheme 42
CalloutComponent Name
1Fog Lamp Switch (Export)
2Roof Beacon Switch (5X7, 5Y0, 5G4, or TRW)
2Roof Beacon Switch (5X7, 5Y0, 5G4, or TRW)
3Accessory Switch Housing
3Accessory Switch Housing
4Instrument Panel

Scheme 43

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Scheme 43
CalloutComponent Name
1Vehicle Speed Sensor
2NV 3500 Transmission
3Oxygen Sensor Downstream Connector
4Backup Lamp Switch
5Oxygen Sensor Upstream Connector

Scheme 44

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Scheme 44
CalloutComponent Name
1Door Courtesy Lamp Electrical Connector
2Door Courtesy Lamp
3Driver Door

Scheme 45

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Scheme 45
CalloutComponent Name
1LR Fender
2Clearance Lamp - LR
3Clearance Lamp - LF

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Scheme 46
CalloutComponent Name
1Right Rear Fender
2Clearance Lamp - Right Front
3Clearance Lamp - Right Rear

Scheme 47

Scheme 47
Scheme 47
CalloutComponent Name
1Tail/Stop Lamp - Left
2Cargo Lamp
3Center High Mounted Stop Lamp (CHMSL)
4Cargo Lamp
5Tail/Stop Lamp - Right
6Turn Signal Lamp - RR
7Backup Lamp - Right
8Marker Lamp - RR
9License Lamp - Right
10License Lamp - Left
11Marker Lamp - Left Rear
12Backup Lamp - Left
13Turn Signal Lamp - Left Rear

Scheme 48

Scheme 48
Scheme 48
CalloutComponent Name
1Frame
2License Lamp Electrical Connector
3License Lamp

Scheme 49

Scheme 49
Scheme 49
CalloutComponent Name
1Marker Lamp - Tail Gate
2Tail Gate

Scheme 50

Scheme 50
Scheme 50
CalloutComponent Name
1Trailer Wiring Connector
2Trailer Wiring Receptacle
3Frame
4Trailer Hitch Receiver

Scheme 51

Scheme 51
Scheme 51
CalloutComponent Name
1Backup Alarm
2Chassis Harness
3C429 Trailer Harness to Chassis Harness
4Trailer Connector
5Junction Block-Rear
6C428 Trailer Harness to Chassis Harness
7Camper Harness (Blunt Cuts)

Scheme 52

Scheme 52: Ambient Light Sensor (CJ3)
Scheme 52: Ambient Light Sensor (CJ3)
Connector Part Information OEM: 12047662 Service: 12085535 Description: 2-Way F Metri-Pack 150 Series (BK)
Terminal Part Information Terminal/Tray: 12064971/5 Core/Insulation Crimp: E/C Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Ambient Light Sensor Connector Part Information (CJ3)

PinWire ColorCircuit No.Function
AWH278Ambient Light Sensor Signal
BBK279Ambient Light Sensor Low Reference

Ambient Light Sensor Connector Terminal Identification (CJ3)

Scheme 53

Scheme 53: Ambient Light/Sunload Sensor Assembly (CJ2)
Scheme 53: Ambient Light/Sunload Sensor Assembly (CJ2)
Connector Part Information OEM: 12064760 Service: 12085208 Description: 4-Way F Metri-Pack 150 Series (BK)
Terminal Part Information Terminal/Tray: 12064971/5 Core/Insulation Crimp: E/C Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Ambient Light/Sunload Sensor Connector Part Information (CJ2)

PinWire ColorCircuit No.Function
AL-BU/BK590Driver Sunload Sensor Signal
BGY1548Passenger Sunload Sensor Signal
CBK279Ambient Light Sensor Low Reference
DWH278Ambient Light Sensor Signal

Ambient Light/Sunload Sensor Assembly Connector Terminal Identification (CJ2)

Scheme 54

Scheme 54: Backup Alarm (8S3)
Scheme 54: Backup Alarm (8S3)
Connector Part Information OEM: 15300027 Service: 12101855 Description: 2-Way F Metri-Pack 280 Series Sealed (BK)
Terminal Part Information Terminal/Tray: 12077411/2 Core/Insulation Crimp: 2/5 Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Backup Alarm Connector Part Information (8S3)

PinWire ColorCircuit No.Function
AL-GN1624Trailer Backup Lamp Supply Voltage
BBK1650Ground

Backup Alarm Connector Terminal Identification (8S3)

Scheme 55

Scheme 55: Backup Lamp - Left
Scheme 55: Backup Lamp - Left
Connector Part Information OEM: 12160393 Service: See Catalog Description: 2-Way Lamp Socket Wedge Base W3 Right Angle (L-GY)
Terminal Part Information Terminal/Tray: See Terminal Repair Kit Core/Insulation Crimp: See Terminal Repair Kit Release Tool/Test Probe: See Terminal Repair Kit

Backup Lamp Connector Part Information - Left

PinWire ColorCircuit No.Function
AL-GN24Backup Lamp Supply Voltage (Z88)
D-GN24Backup Lamp Supply Voltage (X88)
GBK1750Ground (X88)
BK1750Ground

Backup Lamp Connector Terminal Identification - Left

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